<template>
  <div>
    <el-container style="border: 1px solid #eee">
      <el-aside width="200px" style="background-color: rgb(238, 241, 246)">
        <el-menu router :default-openeds="['1']" default-active="/Student" >
          <el-submenu index="1">
            <template slot="title"
              ><i class="el-icon-user"></i>学生管理</template
            >
            <el-menu-item-group>
              <el-menu-item index="/Student">学生列表</el-menu-item>
              <el-menu-item index="/Course">课程列表</el-menu-item>
              <el-menu-item index="/Cascader">级联选择器</el-menu-item>
              <el-menu-item index="/WangEditor">富文本编辑器</el-menu-item>
              <el-menu-item index="/Upload1">上传文件1</el-menu-item>
              <el-menu-item index="/Upload2">上传文件2</el-menu-item>
              <el-menu-item index="/Carousel">跑马灯</el-menu-item>
              <el-menu-item index="/TimeLine">时间线</el-menu-item>
              <el-menu-item index="/baidumap">百度地图</el-menu-item>
              <el-menu-item index="/baidumap2">百度地图2</el-menu-item>
              <el-menu-item index="/QrCode">二维码</el-menu-item>
              <el-menu-item index="/Echarts">Echarts</el-menu-item>
              <el-menu-item index="/Echarts2">Echarts2</el-menu-item>
            </el-menu-item-group>
          </el-submenu>
        </el-menu>
      </el-aside>

      <el-container>
        <el-header style="text-align: right; font-size: 12px">
          <el-dropdown>
            <i class="el-icon-setting" style="margin-right: 15px"></i>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item>查看</el-dropdown-item>
              <el-dropdown-item>新增</el-dropdown-item>
              <el-dropdown-item>删除</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
          <span>王小虎</span>
          <router-link style="margin-left: 15px" to="/">退出</router-link>
        </el-header>
        <el-main>
          <router-view></router-view>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
export default {
  data() {
    const item = {
      date: "2016-05-02",
      name: sessionStorage.getItem("1111"),
      address: "上海市普陀区金沙江路 1518 弄",
    };
    return {
      tableData: Array(20).fill(item),
    };
  },
};
</script>

<style>
.el-header {
  background-color: #b3c0d1;
  color: #333;
  line-height: 60px;
}

.el-aside {
  color: #333;
}
</style>